KitchenAid KHMS2040BSS 30 Built-In Microwave Oven 1000 Watts, 300 CFM Venting, Stainless Steel True 10-level power control helps to eliminate cold spots and overcooked edges Motor exhausts up to 300 CFM and gives versatility to microwave hood combination ovens Auto-cook, reheat, and defrost cycles adjust cook time and power based on quantity, weight, or humidity released Add 30 seconds control adds time in 30-second increments during or at the end of a cycle Quick Defrost cycle allows you to quickly defrost one pound of frozen food